package thread;

public class SyncDemo4 {
    public static void main(String[] args) {
        Foo foo = new Foo();
        Thread t1 = new Thread("A"){
            public void  run(){
                foo.methodA();
            }
        };

        Thread t2 = new Thread("B"){
            public void run(){
                foo.methodB();
            }
        };

        t1.start();
        t2.start();
    }
}

class Foo{
    public synchronized  void methodA(){
        try {
            Thread t = Thread.currentThread();
            System.out.println(t.getName()+"：正在执行A方法...");
            Thread.sleep(5000);
            System.out.println(t.getName()+"：执行A方法完毕！");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    public synchronized void methodB(){
        try {
            Thread t = Thread.currentThread();
            System.out.println(t.getName()+":正在执行B方法");
            Thread.sleep(5000);
            System.out.println(t.getName()+":执行B方法完毕！");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

}
